18446977980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{63773}}^1$

素因数の和:65395

約数の個数: 72

約数和(自身を含む): 55991531232

約数和(自身を除く): 37544553252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1607, 3214, 4821, 6428, 8035, 9642, 14463, 16070, 19284, 24105, 28926, 32140, 48210, 57852, 63773, 72315, 96420, 127546, 144630, 191319, 255092, 289260, 318865, 382638, 573957, 637730, 765276, 956595, 1147914, 1275460, 1913190, 2295828, 2869785, 3826380, 5739570, 11479140, 102483211, 204966422, 307449633, 409932844, 512416055, 614899266, 922348899, 1024832110, 1229798532, 1537248165, 1844697798, 2049664220, 3074496330, 3689395596, 4611744495, 6148992660, 9223488990, 18446977980]

約数ペア:

[(1, 18446977980), (2, 9223488990), (3, 6148992660), (4, 4611744495), (5, 3689395596), (6, 3074496330), (9, 2049664220), (10, 1844697798), (12, 1537248165), (15, 1229798532), (18, 1024832110), (20, 922348899), (30, 614899266), (36, 512416055), (45, 409932844), (60, 307449633), (90, 204966422), (180, 102483211), (1607, 11479140), (3214, 5739570), (4821, 3826380), (6428, 2869785), (8035, 2295828), (9642, 1913190), (14463, 1275460), (16070, 1147914), (19284, 956595), (24105, 765276), (28926, 637730), (32140, 573957), (48210, 382638), (57852, 318865), (63773, 289260), (72315, 255092), (96420, 191319), (127546, 144630)]